From 80dd669af33ffabfb00cc01cab594c3687accc0b Mon Sep 17 00:00:00 2001
From: Roma Sosnovsky <roma.sosnovsky@gmail.com>
Date: Thu, 30 Dec 2021 17:25:32 +0200
Subject: [PATCH] #1222 add minExpiryDuration to id tokens

---
 FlowCrypt/Functionality/Services/GoogleUserService.swift | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/FlowCrypt/Functionality/Services/GoogleUserService.swift b/FlowCrypt/Functionality/Services/GoogleUserService.swift
index 32344d0b6..66f7a2aa2 100644
--- a/FlowCrypt/Functionality/Services/GoogleUserService.swift
+++ b/FlowCrypt/Functionality/Services/GoogleUserService.swift
@@ -47,8 +47,8 @@ struct IdToken: Codable {
 }
 
 extension IdToken {
-    var isExpired: Bool {
-        Double(exp) < Date().timeIntervalSince1970
+    var expiryDuration: Double {
+        Date(timeIntervalSince1970: Double(exp)).timeIntervalSinceNow
     }
 }
 
@@ -254,12 +254,12 @@ extension GoogleUserService {
 
 // MARK: - Tokens
 extension GoogleUserService {
-    func getCachedOrRefreshedIdToken() async throws -> String {
+    func getCachedOrRefreshedIdToken(minExpiryDuration: Double = 0) async throws -> String {
         guard let idToken = idToken else { throw(IdTokenError.missingToken) }
 
         let decodedToken = try decode(idToken: idToken)
 
-        guard !decodedToken.isExpired else {
+        guard decodedToken.expiryDuration > minExpiryDuration else {
             let (_, updatedToken) = try await performTokenRefresh()
             return updatedToken
         }